Question

Express the following as a product of prime factors
12, 72,25,150, 50, 66 64 ,725 ,230, 732, 84 ,305 ,256 ,67,75,125,36,45,24,27,63,24,54,27,162,120​

Answer 1

Step-by-step explanation:

24 = 1 × 24 = 2 × 12 = 3 × 8 = 4 × 6 = 6 × 4

∴ Factors of 24 are 1, 2, 3, 4, 6, 8, 12 and 24.

(B) 15 = 1 × 15 = 3 × 5 = 5 × 3

∴ Factors of 15 are 1, 3, 5 and 15.

(C) 21 = 1 × 21 = 3 × 7 = 7 × 3

∴ Factors of 21 are 1, 3, 7 and 21.

(D) 27 = 1 × 27 = 3 × 9 = 9 × 3

∴ Factors of 27 are 1, 3, 9 and 27.

(E) 12 = 1 × 12 = 2 × 6 = 3 × 4 = 4 × 3 = 6 × 2

∴ Factors of 12 are 1, 2, 3, 4, 6 and 12.

(F) 20 = 1 × 20 = 2 × 10 = 4 × 5 = 5 × 4

∴ Factors of 20 are 1, 2, 4, 5, 10 and 20.

(G) 18 = 1 × 18 = 2 × 9 = 3 × 6 = 6 × 3 = 9 × 2

∴ Factors of 18 are 1, 2, 3, 6, 9 and 18.

(H) 23 = 1 × 23

∴ Factors of 23 are 1 and 23

(I) 36 = 1 × 36 = 2 × 18 = 3 × 12 = 4 × 9 = 6 × 6

∴ Factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18 and 36.

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Answer 2

Answer:

12 and 15

Step-by-step explanation:

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